Methoden vergleichen
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| Wärmegradwochen× | Hydrothermal Plume Mapping× | |
|---|---|---|
| Fachgebiet | Ozeanographie | Ozeanographie |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 2003 | 1987 |
| Urheber≠ | NOAA Coral Reef Watch | Ed Baker |
| Typ≠ | thermal-metric | integrated-system |
| Wegweisende Quelle≠ | Liu, G., Strong, A. E., & Skirving, W. (2003). Remote sensing of sea surface temperatures during 2002 Great Barrier Reef coral bleaching. EOS Transactions, 84(15), 137-141. link ↗ | Baker, E. T., Massoth, G. J., Feely, R. A., et al. (1987). Hydrothermal event plumes from the Juan de Fuca Ridge. Eos, Transactions American Geophysical Union, 68(44), 1574. link ↗ |
| Aliasnamen | DHW, Thermal Stress Index | Vent Plume Detection, Hydrothermal Vent Survey |
| Verwandt | 3 | 3 |
| Zusammenfassung≠ | Degree Heating Weeks (DHW) is a thermal stress metric that quantifies accumulated heat exposure above a coral bleaching threshold, computed from satellite sea surface temperature data. Developed by NOAA's Coral Reef Watch program in 2003, DHW provides a standardized index for predicting and monitoring coral bleaching stress globally. The metric combines intensity and duration of thermal anomalies to estimate cumulative physiological stress on coral colonies. | Hydrothermal plume mapping is an integrated method for detecting, characterizing, and tracking buoyant plumes of hot, mineral-rich water discharged from submarine hydrothermal vents on the seafloor. Developed by Ed Baker and colleagues in the 1980s, hydrothermal plume mapping combines temperature, conductivity, optical, and chemical sensors to identify vent signatures and map their dispersal in the water column. The method enables discovery of new vents and assessment of chemical cycling in deep-sea ecosystems. |
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